https://www.iconfinder.com/icons/11754/crown_gold_icon
https://www.iconfinder.com/icons/11753/crown_silver_icon
https://www.iconfinder.com/icons/26059/bronze_crown_icon
https://www.iconfinder.com/icons/12544/silhouette_user_icon

License: https://creativecommons.org/licenses/by/3.0/

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https://www.iconfinder.com/icons/3316/clock_icon

License: http://www.gnu.org/licenses/lgpl.html

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https://www.iconfinder.com/icons/16330/bronze_medal_icon

License: Free
